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authorJohannes Berg <johannes@sipsolutions.net>2009-07-24 13:23:09 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-07-27 15:24:19 -0400
commit3fa52056f3a8e755708241d5795e6d3e6f55ad85 (patch)
tree17986e56e775dc55627e4ba9aa0639182ee34339 /include/net
parent91a3bd76155085d41520cf41ede39e8b7f01aeff (diff)
mac80211: fix PS-poll response, race
When a station queries us for a PS-poll response, we wrongly queue the frame on the virtual interface's queue rather than the pending queue. Additionally, fix a race condition where we could potentially send multiple frames to the sleeping station due to using a station flag rather than a packet flag. When converting to a packet flag, we can also convert p54 and remove the filter clearing we added for it. (Also remove a now dead function) Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Reported-by: Bob Copeland <me@bobcopeland.com> Tested-by: Bob Copeland <me@bobcopeland.com> Cc: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/mac80211.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 7dd67a1ff4d..d4e09a06b4a 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -243,6 +243,9 @@ struct ieee80211_bss_conf {
* used to indicate that a frame was already retried due to PS
* @IEEE80211_TX_INTFL_DONT_ENCRYPT: completely internal to mac80211,
* used to indicate frame should not be encrypted
+ * @IEEE80211_TX_CTL_PSPOLL_RESPONSE: (internal?)
+ * This frame is a response to a PS-poll frame and should be sent
+ * although the station is in powersave mode.
*/
enum mac80211_tx_control_flags {
IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(0),
@@ -262,6 +265,7 @@ enum mac80211_tx_control_flags {
IEEE80211_TX_INTFL_NEED_TXPROCESSING = BIT(14),
IEEE80211_TX_INTFL_RETRIED = BIT(15),
IEEE80211_TX_INTFL_DONT_ENCRYPT = BIT(16),
+ IEEE80211_TX_CTL_PSPOLL_RESPONSE = BIT(17),
};
/**